Yuma Ilvern is the hero who possess within him the soul of the legendary “Shining Dragon,” with whom he saved Alfheim. In order to reunite with the Shining Dragon, who perished for the world at the end of their struggle, he journeyed alone through the gate of the sealed god.

When he makes it to the fantasy continent of Endias on the other side, Yuma sees frenzied heroes in pursuit of dragon power.

Then, a Dark Dragon and boy able to manipulate “black fire” appear before Yuma, who is equipped with his Dragon Resonator Vandelhorn and sealed dragon power.